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Lecture 16

ANAT 214 Lecture 16: ANAT214_Lecture_16
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5 Pages
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Department
Anatomy & Cell Biology
Course Code
ANAT 214
Professor
Louis Hermo

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Liver
Porta hepatis: main entrance to the liver
o Portal vein, hepatic artery and bile duct
o All the gut venous blood goes into the liver by the portal vein and leaves the liver by the
hepatic vein, which drains into the inferior vena cava and then into circulation
Held in place by the falciform ligament (liver to anterior abdominal wall)
o Sickle shaped
o Goes to the umbilicus
o Keeps it in the midline
The coronary ligament attaches the liver to the diaphragm
o End point on the right side and left side
Mainly above the subcostal margin towards the right side, attached to the diaphragm
Right lobe, left lobe (extends towards the stomach
The surface of the liver is visceral peritoneum
o The ligaments are also visceral peritoneum (continuity)
The bottom of the diaphragm and the abdominal wall is parietal peritoneum
Inferior view
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o Need to be able to identify the triad in the free edge of the lesser momentum
Bile duct, hepatic artery and the portal vein
o There are two openings from the liver into the inferior vena cava which are the hepatic
veins
o Impressions on the liver
Midgut
Duodenum2, transverse duodenum, 1/2 pancreas, jejunum, ileum, ascending and 2/3 of the
transverse colon
Superior mesenteric artery
o Has a pancreatico-duodenal inferior artery (the superior pancreatico comes from the
coeliac)
Superior mesenteric lymph nodes and ganglia
Lift the greater omentum up
o See the mesentery which carries the vessels
Superior mesenteric artery
Runs over the third part of the duodenum
D2,3,4 are retro-peritoneal along with the colon
After the DJ junction, the intestine is supported by mesentery, not fixed to the wall until the
ileocolic junction
First artery that comes off is the inferior pancreatico-duodenal
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Description
Liver Porta hepatis: main entrance to the liver o Portal vein, hepatic artery and bile duct o All the gut venous blood goes into the liver by the portal vein and leaves the liver by the hepatic vein, which drains into the inferior vena cava and then into circulation Held in place by the falciform ligament (liver to anterior abdominal wall) o Sickle shaped o Goes to the umbilicus o Keeps it in the midline The coronary ligament attaches the liver to the diaphragm o End point on the right side and left side Mainly above the subcostal margin towards the right side, attached to the diaphragm Right lobe, left lobe (extends towards the stomach The surface of the liver is visceral peritoneum o The ligaments are also visceral peritoneum (continuity) The bottom of the diaphragm and the abdominal wall is parietal peritoneum Inferior viewo Need to be able to identify the triad in the free edge of the lesser momentum Bile duct, hepatic artery and the portal vein o There are two openings from the liver into the inferior vena cava which are the hepatic veins o Impressions on the liver Midgut Duodenum2, transverse duodenum, 1/2 pancreas, jejunum, ileum, ascending and 2/3 of the transverse colon Superior mesenteric artery o Has a pancreatico-duodenal inferior artery (the superior pancreatico c
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